- Claes Jakobsson fixed a problem with cookie expiry dates at exctly the epoch

start second "Thu Jan 1 00:00:00 GMT 1970" as the date parser then returns 0
  which internally then is treated as a session cookie. That particular date
  is now made to get the value of 1.

lib/cookie.c

@@ -365,6 +365,12 @@ Curl_cookie_add(struct SessionHandle *data,
                get parsed for whatever reason. This will have the effect that
                the cookie won't match. */
             co->expires = curl_getdate(what, &now);
+            
+            /* Session cookies have expires set to 0 so if we get that back
+               from the date parser let's add a second to make it a 
+               non-session cookie */
+            if (co->expires == 0)
+                co->expires = 1;
           }
           else if(!co->name) {
             co->name = strdup(name);